I am really of of Einstein lover and I am so interested in relativity . I hope it will be useful for all . thanks alot Thanks for the great share Dr/Islam Elmahalawy 2007-08-30 20:00:35 2007-08-30 20:00:35 4 This really helped me to understand Eistein's contributions in a clearer way. Thanks Grok guys! One of their best shows thecrwth 2007-12-19 04:48:45 2007-12-19 04:48:45 5 2 4.50